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Finding the Fourth Proportional to 2,006.92, 3,008.26 and 690.27

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Solution

The fourth proportional to 2,006.92, 3,008.26 and 690.27 is: 1,034.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.92 : 3,008.26 = 690.27 : x
  2. Step 2: Convert to fraction form
    2,006.92/3,008.26 = 690.27/x
  3. Step 3: Cross multiply
    2,006.92x = 3,008.26 × 690.27
  4. Step 4: Simplify right side
    2,006.92x = 2,076,511.63
  5. Step 5: Solve for x
    x = 2,076,511.63/2,006.92
  6. Step 6: Final answer
    x = 1,034.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.